CVE-2019-25378

Smoothwall Express 3.1 'proxy.cgi' Cross-Site Scripting

Published Feb 16, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple cross-site scripting vulnerabilities in the proxy.cgi endpoint that allow attackers to inject malicious scripts through parameters including CACHE_SIZE, MAX_SIZE, MIN_SIZE, MAX_OUTGOING_SIZE, and MAX_INCOMING_SIZE. Attackers can submit POST requests with script payloads to store or reflect arbitrary JavaScript code that executes in users' browsers when the proxy configuration page is accessed.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:smoothwall:smoothwall_express:3.1:*:*:*:*:*:*:* cpe:2.3:o:smoothwall:smoothwall_express:3.1:sp4:*:*:-:*:*:*
Type Values Removed Values Added
CPEs cpe:2.3:o:smoothwall:smoothwall_express:3.1:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Smoothwall smoothwall Express
Vendors & Products Smoothwall smoothwall Express
Type Values Removed Values Added
Description Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple cross-site scripting vulnerabilities in the proxy.cgi endpoint that allow attackers to inject malicious scripts through parameters including CACHE_SIZE, MAX_SIZE, MIN_SIZE, MAX_OUTGOING_SIZE, and MAX_INCOMING_SIZE. Attackers can submit POST requests with script payloads to store or reflect arbitrary JavaScript code that executes in users' browsers when the proxy configuration page is accessed.
Title Smoothwall Express 3.1 'proxy.cgi' Cross-Site Scripting
First Time appeared Smoothwall
Smoothwall smoothwall
Weaknesses CWE-79
CPEs cpe:2.3:a:smoothwall:smoothwall:3.1:*:*:*:*:*:*:*
Vendors & Products Smoothwall
Smoothwall smoothwall
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 5, 2026, 1:26 AM
Reserved
Feb 16, 2026, 4:26 PM
Status
Analyzed
Published
Feb 16, 2026, 6:19 PM
Modified
Jun 17, 2026, 2:32 AM